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Almost convergence and a core theorem for double sequences
- Source :
-
Journal of Mathematical Analysis & Applications . May2004, Vol. 293 Issue 2, p532. 9p. - Publication Year :
- 2004
-
Abstract
- The idea of almost convergence was introduced by Moricz and Rhoades [Math. Proc. Cambridge Philos. Soc. 104 (1988) 283–294] and they also characterized the four dimensional strong regular matrices. In this paper we define the M-core for double sequences and determine those four dimensional matrices which transform every bounded double sequence <f>x=[xjk]</f> into one whose core is a subset of the M-core of <f>x</f>. [Copyright &y& Elsevier]
- Subjects :
- *MATRICES (Mathematics)
*MATHEMATICAL sequences
*ALGEBRA
*MATHEMATICS
Subjects
Details
- Language :
- English
- ISSN :
- 0022247X
- Volume :
- 293
- Issue :
- 2
- Database :
- Academic Search Index
- Journal :
- Journal of Mathematical Analysis & Applications
- Publication Type :
- Academic Journal
- Accession number :
- 12899869
- Full Text :
- https://doi.org/10.1016/j.jmaa.2004.01.015